Find the sum: −3

Mathematics

2 answers:

Ludmilka [50]3 years ago

5 0

Answer:

The common denominator is 8

-6/8+5/8

-1/8

Step-by-step explanation:

-3/4 + 5/8

Get a common denominator

-3/4 *2/2 + 5/8

-6/8 + 5/8

-1/8

Aleks [24]3 years ago

4 0

Answer:

-1/8

Step-by-step explanation:

Please use either " / " or " ÷ " to denote division.

Your Find the sum: −3

and 5

becomes -3/4 + 5/8.

The LCD is 8, and so we have:

-6/8 + 5/8

which equals -1/8

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What initial investment must be made to accumulate $60000 in 17 years if the money is invested in a mutual fund that pays 12% an

mars1129 [50]

$7881.18

Step-by-step explanation:

Let the initial Investment be $P_{0}$ . The Interest is compounded on a monthly basis at 12% annual interest rate. After 17 years, the Investment amounts to $60,000.

As the annual interest rate is 12%, the monthly interest rate is 1%.

Since this is a compound interest problem, the total amount can be modeled as follows: $P(t)=P_{0}(1+\frac{i}{100})^{t}$

Here $i$ is the interest rate, i.e $1$ , and t is the number of time periods, i.e $17\textrm{ years x }12\frac{\textrm{months}}{\textrm{year}}$ = $204\textrm{ months}$